Weir



March 19, 1935. R le 1,994,688

WEIR

Filed Aug. 12, 1952 INVENTOR. PHUL E rum.

ATTORNEY.

Patented Mar. 19, 1935 i e g gi WEIR Paul Cicin, Mainz, Germany, assignor to Maschinenfabrik Augsburg-Niirnberg A. G., Nuremberg, Germany, a corporation of Germany Application August 12, 1932, Serial No. 628,586 In Germany August 15, 1931 2 Claims. (Cl. 61-22) QFFI f] My invention relates to an operating device the link, and as this latter has to take up chiefly for head or top flaps of such weir closures as, tensile stresses, in that compressive stresses arise for instance, roller weirs, lifting sluioes, and the only when the flap has been turned down (they like, in which the flap is operated by two or more are only slight, as the amount of water with 5 lifting rods engaging a bending-proof longituwhich the flap is loaded in that state is only 5 dinal supporting member forming a part of the small), it is possible to insert into the link a flap on the tail side of the weir, each of said rods coupling nut permitting accurate adjustment of being connected with a crank shaft located withthe link to that length which is most favorable in the body of the closing member of the weir. for relieving the hinge of the flap.

With such arrangements the connecting line The invention is illustrated diagrammatically 10 between the point of engagement of a lifting rod and by way of example on the accompanying at the corresponding crank arm of the driving drawing on which-Figure 1 shows the above menshaft and the point of engagement of said rod tioned diagram, while Fig. 2 is a side-view of the at the bending-proof supporting member of the new arrangement and combination of parts con- 5 flap extends in another direction than the middle stituting the invention, the parts being shown atplane of said supporting member which plane tached to a roller weir, the roller (1) of which extends through the point of engagement of the is indicated merely by a circle. Fig. 3 is a lifting rod at the said member, said two direchorizontal longitudinal section along line III-III tions varying continually while the flap is being in Fig. 2, drawn to a smaller scale.

2 moved. In the center of the weir roller 1 is located From the diagram shown in Fig. l in which a the torsion-proof hollow cylinder 0 which condenotes the fulcrum of the driving crank shaft, 1) stitutes the driving shaft for the head or top the point of engagement of a lifting rod at a flap Tu which is stiifened by an internal bendingcrank, c the fulcrum of the hinge of the flap, proof structure i. Near each end of the cylinder and d the point of engagement of the lifting rod or shaft g is provided a crank arm Z and each 25 at the bending-proof supporting member, it apcrank arm is connected at a with the flap h by a pears that the resolution of the forces'in the suplifting rod lc also designed as a bending-proof porting transverse section is such that the hinge supporting member for the flap. Near its point joint f h fl p mu ke up a r a p rt f h of connection, or engagement with, the flap each Supporting forces, this P Varying Continually rod kvis pivotally connected with one end of a 3 Whlle e flap is being moved, in consequence linkm, the other end of which link is movably whereof 1t has heretofore been necessary to deattached at o to a brace e in the roller 3 The slgn sald hmge m such a manner that It was able point of connection or engagement of each link m to stand thel great strains and stresses to which it with the roller f, relative to the hinge of the owas expose r l do The object of the present invention is to comflap and relatwfely to j ip a m pletely eliminate these strains and stresses, and engages the colresponqmg mg Tod w ere this object I attain by designing the lifting rods thls f engages the Stlffenlng Structure 2 of the engaging the bending pmof supporting member flap, is so located that the connecting lines of 0 of theflap also as bending-proof supporting memthese f form} an armPmated pafrauelogmm' 4O bers and by connecting to each of them at a A coupl ng nut 11 inserted into each link m allows d te distance from t point o engageof an accurate adjustment of the distance bement at said flap supporting b a 11 1;, th tween the supporting point of the links from their other end of which is supported at the weir point of engagement with the corresponding liftclosure body at a point, the distances of which ing rod is so that the hinge joints of the flap are 45 from the hinge point of the flap and from the relieved in all positions of the same. point of engagement of said link at the lifting I claim: d r q a to h distances between the last- 1. In a weir closure, the combination with the mentioned P011113 and the D engagement O closure body, a driving shaft axially extending the lifting r061 at the ppp t ng member and therethrough and crank arms secured to said 50 between said gust-mentioned point and the hinge, shaft, of a head or top flap hinged to said closure poin of e ap. body and an operating mechanism therefor, com- The eifects thereby obtained are that the supprising a plurality of bending-proof lifting rods porting forces having heretofore acted upon the pivotally connected to said crank arms and to the a hinge axis of the flap are now being taken up by supporting structure of said head or top flap, and 55 a corresponding number of links each pivoted to each one of said lifting rods at a short distance from the point of engagement of the rod with the supporting structure on said flap, the other end of the link being pivotally supported on said closure body at a point, the distance of which from the hinge of said flap and from the point of engagement of the link with the lifting rod is equal to the distance between said 10 last-mentioned pointand the point of engage ment of the lifting rod with the supporting structure of said flap and the hinge thereof respectively. v 2. The combination as specified in claim 1, including a coupling nut in each of said links permitting accurate adjustment of the distance between'the supporting point of said links and their point of engagement with their corresponding lifting rod. l

PAUL CICIN. 

